CN110920802A - Waveguide movable clamping piece, waveguide penetrating device and method for installing waveguide - Google Patents

Abstract

The invention discloses a waveguide movable clamping piece, a waveguide penetrating device and a method for installing a waveguide. The waveguide movable clamping piece is formed by combining two fastening pieces, the waveguide penetrating device comprises a cabin penetrating piece and a waveguide movable clamping piece, the cabin penetrating piece is fixed on the cabin wall, and the waveguide movable clamping piece is fixedly connected with the cabin penetrating piece. The waveguide penetration device can effectively prevent external electromagnetic interference from influencing equipment in the cabin, and can also effectively prevent electromagnetic signals leaked by the equipment in the cabin from radiating to an external space, so that the shielding efficiency of the cabin can be effectively improved.

Description

Waveguide movable clamping piece, waveguide penetrating device and method for installing waveguide

Technical Field

The invention relates to the technical field of ship construction, in particular to a waveguide movable clamping piece, a waveguide penetrating device and a method for installing a waveguide.

Background

The waveguide penetration device of the shielding cabin is a technological component which is adopted in the process of ship construction and the process of waveguide installation of related equipment with the requirements of waveguide transmission signals in order to meet the sealing of the cabin or deck, in particular to ensure that the related shielding cabin with special requirements meets the requirements of related shielding effectiveness, fireproof grade of the cabin, insulation and isolation and the like.

The existing waveguide penetration device is characterized in that a cable penetration piece or a metal pipe is welded on a cabin wall, a copper sheet is used at a position penetrating through the cabin wall after the waveguide is installed to cut a rectangular notch with the size of the waveguide according to the diameter of a cable frame or a pipeline, two symmetrical copper sheets are used for being cushioned between the waveguide and a cabin penetration piece, and then conductive putty or other materials such as a wave-proof sleeve are filled near the copper sheets, so that the copper sheets or the wave-proof sleeve are electrically connected with the cabin penetration piece, and the signal intensity of electric waves during cabin penetration is reduced. The waveguide penetration construction process has high requirements on constructors, materials such as copper sheets, conductive putty or wave-proof sleeves and the like must be reliably connected with each other, otherwise the requirements on reliable electrical connection are difficult to completely meet.

Disclosure of Invention

The present invention provides a movable waveguide card, a waveguide penetration device and a method for installing a waveguide, which are used to solve the above problems in the prior art.

The utility model provides a waveguide movable clamping part, includes two fasteners, the fastener includes first ring flange and fastening body, a plurality of first fixed orificess have been seted up on the first ring flange, the fastening body is fixed on first ring flange, and the outside bending type in both ends of fastening body becomes the installation ear, has seted up the second fixed orifices on the installation ear, has seted up the slot on the fastening body, and two fasteners form the fixed chamber that is used for making the waveguide to pass between the two after closing.

Preferably, a metal conductive layer is arranged on a groove wall of the groove.

Preferably, the metal conductive layer is tin paper or copper sheet or copper wire mesh.

Preferably, the first flange is integrally formed with the fastening body.

Preferably, the fastening body is U-shaped, and the shape of the groove on the fastening body is matched with the shape of the waveguide.

Preferably, the first flange plate is semicircular or rectangular in shape.

The waveguide penetration device comprises a cabin penetrating piece and a waveguide movable clamping piece, wherein the cabin penetrating piece is fixed on a cabin wall, the waveguide movable clamping piece is fixedly connected with the cabin penetrating piece, and grounding wires are connected between a first flange of the waveguide movable clamping piece and the cabin wall and between the first flange and the waveguide.

Preferably, the cabin penetrating piece comprises a cabin penetrating pipe and a second flange fixed at the end part of the cabin penetrating pipe, and a plurality of third fixing holes corresponding to the first fixing holes are formed in the second flange.

A method for installing a waveguide by using a waveguide penetration device is characterized by comprising the following steps:

s1, welding the cabin penetrating piece at the position where the shielding cabin waveguide penetrates;

s2, laying the waveguide according to the design trend of the waveguide;

s3, installing the waveguide movable clamping piece on the waveguide, enabling the waveguide movable clamping piece and the cabin penetrating piece to be folded together, and correspondingly arranging a third fixing hole on a second flange of the cabin penetrating piece according to the position of the first fixing hole on the waveguide movable clamping piece;

s4, fixing the movable waveguide clamping piece and the cabin penetrating piece together by fastening bolts, arranging a grounding point on the first flange plate, and connecting the grounding point with the waveguide and the cabin wall of the shielding cabin by adopting a grounding wire;

and S5, pouring the protective blocking material into the cabin penetrating piece.

Preferably, the grounding point is arranged on the flange surface of the first flange plate or one or more fastening bolts;

when the grounding point is arranged on the fastening bolt, the fastening bolt needs to be processed by an electromagnetic compatibility process, and the corresponding first fixing hole is provided with a metal conducting layer.

The invention has the beneficial effects that:

1. the waveguide penetration device can effectively prevent external electromagnetic interference from influencing equipment in the cabin, can also effectively prevent electromagnetic signals leaked by the equipment in the cabin from radiating to an external space, and can effectively improve the shielding efficiency of the cabin. Meanwhile, the construction is simple, the effect is obvious, other construction requirements such as the protection level of the cabin can not be influenced while the electric wave transmission channel is isolated, the cabin-through requirement of the existing waveguide with almost all sizes can be met, and the requirements of the cabin on the protection levels such as water resistance and fire resistance can also be met.

2. The waveguide movable clamping piece and the cabin penetrating piece can be manufactured in advance according to the specification of the waveguide, can be used as a standard piece to be connected with the waveguide, and can realize good electrical connection between the waveguide and the cabin penetrating piece only by selecting the waveguide movable clamping piece and the cabin penetrating piece with different specifications aiming at the waveguides with different specifications. When the waveguide needs to be reinstalled, only the movable waveguide clamping piece needs to be detached, so that the waveguide grounding device is very convenient to use, and facilitates waveguide maintenance or grounding maintenance and the like.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural view of a waveguide movable card member.

Fig. 2 is a schematic structural view of the penetration member.

Fig. 3 is a schematic diagram of a waveguide traversing apparatus.

Fig. 4 is a diagram showing a state of use of the waveguide penetration device.

Figure 5 is a schematic view of the waveguide penetration assembly after installation.

The reference numerals in the figures have the meaning:

1 is the fastener, 2 is first ring flange, 3 is the fastening body, 4 is first fixed orifices, 5 is the installation ear, 6 is the second fixed orifices, 7 is the slot, 8 is the waveguide, 9 is fixed chamber, 10 is the metal conducting layer, 11 is for wearing the cabin spare, 12 is the movable fastener of waveguide, 13 is the bulkhead, 14 is the earth connection, 15 is for wearing the cabin pipe, 16 is the second ring flange, 17 is the third fixed orifices, 18 is fastening bolt.

Detailed Description

For better understanding of the technical solutions of the present invention, the following detailed descriptions of the embodiments of the present invention are provided with reference to the accompanying drawings.

It should be understood that the described embodiments are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present application is described in further detail below with reference to specific embodiments and with reference to the attached drawings.

In the description of the present application, unless explicitly stated or limited otherwise, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless otherwise specified or indicated. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The embodiment of the invention provides a waveguide movable clamping part which comprises two fastening pieces, wherein each fastening piece comprises a first flange and a fastening body, a plurality of first fixing holes are formed in the first flange, the fastening body is fixed on the first flange, two end parts of the fastening body are bent outwards to form mounting lugs, second fixing holes are formed in the mounting lugs, grooves are formed in the fastening bodies, and a fixing cavity for a waveguide to pass through is formed between the two fastening pieces after the two fastening pieces are closed.

And a metal conducting layer is arranged on the groove wall of the groove.

In this embodiment, the metal conductive layer is a tin foil, a copper sheet, or a copper wire mesh; the fastening body is U-shaped, and the shape of the groove on the fastening body is matched with the shape of the waveguide; the first flange plate is semicircular or rectangular.

When the waveguide movable clamping piece is manufactured, after the two fasteners are closed, the width of a fixed cavity formed between the two fasteners is 0.5mm-1mm longer than the width of the waveguide, and the height of the fixed cavity is 0.5mm-1mm higher than the height of the waveguide; the groove wall of the groove of each fastener is ground or the contact surface of the groove and the waveguide is kept smooth by a mechanical processing method without burrs; the aperture of the first fixing hole on the first flange plate is 7mm or 8 mm.

Preferably, the first flange is integrally formed with the fastening body.

The waveguide penetration device comprises a cabin penetration piece and the waveguide movable clamping piece. The cabin penetrating piece is fixed on the cabin wall, and the waveguide movable clamping piece is fixedly connected with the cabin penetrating piece. And grounding wires are connected between the first flange of the waveguide movable clamping piece and the bulkhead and between the first flange of the waveguide movable clamping piece and the waveguide, so that good and reliable electrical connection performance between the waveguide and the cabin penetrating piece can be ensured.

The cabin penetrating piece comprises a cabin penetrating pipe and a second flange plate fixed at the end part of the cabin penetrating pipe, and a plurality of third fixing holes corresponding to the first fixing holes are formed in the second flange plate. The cabin penetrating pipe is usually a round pipe with the diameter of 168mm, 127mm or 100mm, and the thickness of the second flange plate is larger than 12 mm.

The waveguide penetration device is arranged on the ship shielding cabin, can effectively prevent external electromagnetic interference from influencing equipment in the cabin, can also effectively prevent electromagnetic signals leaked by the equipment in the cabin from radiating to an external space, and can effectively improve the shielding efficiency of the cabin. Meanwhile, the construction is simple, the effect is obvious, the other construction requirements such as the protection grade of the cabin can not be influenced while the electric wave transmission channel is isolated, and the cabin-through requirement of the existing waveguide with almost all sizes can be met.

When the waveguide penetrating device is used for installing the waveguide, the method specifically comprises the following steps:

and S1, welding the penetration piece at the position where the waveguide of the shielding cabin penetrates.

Specifically, the size of a waveguide to be installed and the size of a flange of the waveguide of the type are determined; then, selecting a cabin penetrating piece with a proper specification according to the size of the flange of the waveguide; and finally, welding the cabin penetrating piece at the position of the shielding cabin waveguide cabin penetrating by adopting a welding mode of 360-degree circular welding.

And S2, laying and installing the waveguide according to the design trend of the waveguide.

And S3, mounting the waveguide movable clamping piece on the waveguide, enabling the waveguide movable clamping piece and the cabin penetrating piece to be folded together, and correspondingly arranging a third fixing hole on a second flange of the cabin penetrating piece according to the position of the first fixing hole on the waveguide movable clamping piece.

Specifically, firstly, two fasteners of the waveguide movable clamping piece are installed on the waveguide, metal conductive materials such as tinfoil, copper sheets or copper wire meshes are arranged between the fasteners and the waveguide, then a fixing bolt is inserted into a second fixing hole, and the two fasteners are gently fixed on the waveguide;

then, the movable waveguide clamping piece and the cabin penetrating piece are folded together, even if a first flange of the movable waveguide clamping piece is contacted with a second flange of the cabin penetrating piece, hole positions of third fixing holes corresponding to the first fixing holes are scribed on the second flange according to the first fixing holes on the first flange;

and finally, removing the movable waveguide clamping piece, and drilling holes in the hole sites of the second flange plate.

And S4, reinstalling the waveguide movable clamping piece on the waveguide, fixing the waveguide movable clamping piece and the cabin penetrating piece together by adopting a fastening bolt, arranging a grounding point on the first flange plate, and connecting the grounding point with the waveguide and the cabin wall of the shielding cabin by adopting a grounding wire to enable the waveguide movable clamping piece to be grounded.

In this embodiment, the grounding point may be disposed on the flange surface of the first flange, or may be disposed on one or more of the fastening bolts. When the grounding point is arranged on the fastening bolt, the fastening bolt needs to be processed by an electromagnetic compatibility process, and the corresponding first fixing hole needs to be provided with metal conductive materials such as tinfoil, copper sheets or copper wire meshes.

After the grounding connection of the waveguide movable clamping piece is finished, a milliohmmeter or a microohmmeter is used for detecting the grounding process, and meanwhile, the detection of an electromagnetic compatibility process can also be carried out.

And S5, after the waveguide is installed and the equipment is electrified and debugged to be qualified, pouring protective blocking materials into the cabin penetrating piece.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides a waveguide movable clamping part, its characterized in that includes two fastener (1), fastener (1) includes first ring flange (2) and fastening body (3), a plurality of first fixed orificess (4) have been seted up on first ring flange (2), fastening body (3) are fixed on first ring flange (2), and the both ends of fastening body (3) are outwards buckled and are formed installation ear (5), have seted up second fixed orifices (6) on installation ear (5), have seted up slot (7) on fastening body (3), and two fastener (1) form between the two after closing and are used for making fixed chamber (9) that waveguide (8) passed.

2. A waveguide moving card according to claim 1, characterized in that the walls of the grooves (7) are provided with a metallic conductive layer (10).

3. A waveguide moving card according to claim 2, characterized in that the metallic conductive layer (10) is a tin or copper sheet or a copper wire mesh.

4. A movable waveguide card member according to claim 1, characterized in that the first flange (2) is provided integrally with the fastening body (3).

5. A waveguide moving latch according to claim 1, characterized in that the fastening body (3) is U-shaped, the shape of the groove (7) in the fastening body matching the shape of the waveguide (8).

6. A waveguide moving card member according to claim 1, characterized in that the first flange (2) is semicircular or rectangular in shape.

7. A waveguide penetration device, comprising a cabin penetration member (11) and a waveguide movable clamping member (12) according to any one of claims 1 to 6, wherein the cabin penetration member (11) is fixed on a cabin wall (13), the waveguide movable clamping member (12) is fixedly connected with the cabin penetration member (11), and grounding wires (14) are connected between the first flange (2) of the waveguide movable clamping member (12) and the cabin wall (13) and the waveguide (8).

8. A waveguide penetration device according to claim 7, wherein the penetration member (11) comprises a penetration pipe (15) and a second flange (16) fixed to the end of the penetration pipe (15), and the second flange (16) is provided with a plurality of third fixing holes (17) corresponding to the first fixing holes (4).

9. A method of installing a waveguide through a waveguide installation according to claim 7, comprising the steps of:

s1, welding the penetration piece (11) at the penetration position of the waveguide of the shielding cabin;

s2, laying the waveguide (8) according to the design trend of the waveguide;

s3, installing the movable waveguide clamping piece (12) on the waveguide (8), enabling the movable waveguide clamping piece (12) and the cabin penetrating piece (11) to be folded together, and correspondingly arranging a third fixing hole (17) on a second flange plate (16) of the cabin penetrating piece according to the position of the first fixing hole (4) on the movable waveguide clamping piece (12);

s4, fixing the movable waveguide clamping piece (12) and the cabin penetrating piece (11) together by using a fastening bolt (18), arranging a grounding point on the first flange plate (2), and connecting the grounding point with the waveguide (8) and a cabin wall (13) of the shielding cabin by using a grounding wire (14);

s5, pouring protective blocking materials into the cabin penetrating piece (11).

10. A method of installing a waveguide through a device according to claim 9, characterised in that the grounding point is arranged on the flange face of the first flange (2) or on one or several of the fastening bolts;

when the grounding point is arranged on the fastening bolt, the fastening bolt needs to be processed by an electromagnetic compatibility process, and the corresponding first fixing hole is provided with a metal conducting layer.

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